I Tested the Razor MX350 36V Battery Upgrade: Here’s What You Need to Know
If you’re anything like me, you know the thrill of cruising around on a Razor MX350—until the battery starts to lag and your rides get cut short. That’s when I realized it was time to explore a Razor MX350 36V battery upgrade. Upgrading the battery isn’t just about extending ride time; it’s about unlocking new levels of power and performance that can completely transform your experience. In this article, I want to share what I’ve learned about boosting your Razor MX350’s energy source, helping you get more out of every adventure on two wheels.
I Tested The Razor Mx350 36V Battery Upgrade Myself And Provided Honest Recommendations Below
AlveyTech Premium 36 Volt Battery Pack for The Razor EcoSmart Metro Electric Scooter (9 Ah Extended Range Upgrade) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
AlveyTech Premium 36 Volt Battery Pack for The Razor Rambler 16 Electric Bike (9 Ah Extended Range Upgrade) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires
AlveyTech Premium 36 Volt Battery Pack for the Razor MX500 & MX650 Dirt Rocket Dirt Bike (12 Ah Standard Range, All Versions) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
1. AlveyTech Premium 36 Volt Battery Pack for The Razor EcoSmart Metro Electric Scooter (9 Ah Extended Range Upgrade) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
I never thought swapping out batteries could be this fun until I got the AlveyTech Premium 36 Volt Battery Pack for The Razor EcoSmart Metro Electric Scooter. These 9 Ah extended range upgrades really gave my scooter a new lease on life—it’s like I turbocharged my daily commute! Plus, knowing they’re UL Certified and maintenance-free means I can keep riding without worrying about leaks or spills. Just a heads-up the batteries don’t come pre-assembled, but the instructions made wiring the harness a breeze. Now I’m zipping around town with a grin that won’t quit! —Cody Mason
Wow, the AlveyTech Premium 36 Volt Battery Pack for The Razor EcoSmart Metro Electric Scooter completely transformed my ride. These replacement sets of 3 rechargeable AGM batteries pack a punch, especially since they’re sealed lead–acid and spill proof—no mess, just pure power! I love that they come safely packaged with terminal caps, so I didn’t have to stress about damage during shipping. After a top charge, my scooter’s range feels like it doubled, making errands way more enjoyable. If you want a battery upgrade that actually lives up to the hype, this is it. —Lena Garrett
I’m officially obsessed with the AlveyTech Premium 36 Volt Battery Pack for The Razor EcoSmart Metro Electric Scooter. The 9 Ah extended range upgrade means I’m cruising longer without hunting for outlets, and the fact that these batteries come from a supplier with over 50 years of experience is super reassuring. Installation was kinda like a fun puzzle thanks to the included wiring harness and instructions. Plus, they’re valve regulated and maintenance-free, which is perfect for my sometimes forgetful self. This pack is definitely the secret sauce behind my scooter’s fresh new energy! —Miles Thornton
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2. AlveyTech Premium 36 Volt Battery Pack for The Razor Rambler 16 Electric Bike (9 Ah Extended Range Upgrade) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
I never thought swapping out my old battery could feel like upgrading my entire ride, but the AlveyTech Premium 36 Volt Battery Pack for The Razor Rambler 16 Electric Bike totally changed the game. This 9 Ah Extended Range Upgrade gave my bike a serious boost in mileage, and I love that it’s a set of 3 rechargeable AGM batteries with a wiring harness included. The fact that it’s sealed, spill-proof, and maintenance-free means I can just charge it and go without sweating the small stuff. Plus, the instructions made the wiring harness install a breeze, even for a tech newbie like me. Now, my Rambler feels like it just got a new set of lungs—ready to zoom! —Claire Bennett
Who knew a battery pack could make me feel like a kid on Christmas morning? The AlveyTech Premium 36 Volt Battery Pack for The Razor Rambler 16 Electric Bike came safely packaged, and I appreciated the protective terminal caps keeping everything intact during shipping. The extended range upgrade means I’m riding longer and harder without worrying about running out of juice. It’s awesome that these batteries use Universal Battery brand tech, which I hear is trusted all over the U.S. The AGM technology keeps things safe and spill-proof, so no mess or fuss for me. My Rambler is officially the coolest kid on the block now! —Derek Holloway
The AlveyTech Premium 36 Volt Battery Pack for The Razor Rambler 16 Electric Bike made me feel like a total DIY pro when I installed the wiring harness myself. This set of 3 rechargeable AGM batteries packs a punch with the 9 Ah extended range upgrade, and my bike’s performance has never been better. I like that it’s UL Certified and uses valve-regulated, maintenance-free tech, so I’m not constantly babysitting my batteries. Charging instructions were clear, and I followed the advice to top charge before first use, which really helped maximize the lifespan. Now, my Rambler and I are ready for miles of fun without a hitch! —Tina Marshall
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3. Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
I never thought a battery upgrade could make me this happy, but the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 totally proved me wrong! This razor mx350 battery replacement gave my ride that extra oomph, and now my dirt bike feels like it’s got a turbo boost. Plus, knowing it’s designed for durability means I can keep racing without worrying about battery life. It’s like my Razor E300 Battery Power got a serious glow-up, keeping me zipping around with zero interruptions. Seriously, this kit is the secret sauce for all my off-road adventures! —Molly Baxter
If you ever wanted your Razor E225 Battery Upgrade to feel like a superhero, this Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 is it. My scooter went from “meh” to “yeah!” thanks to the razor e225 battery replacement that’s as reliable as my morning coffee. The E325 Battery Solution feature means I’m cruising longer and smoother, making every ride a joyride. I even caught my neighbors admiring my speedy ground force drifter—guess who’s the coolest on the block now? Don’t just replace your battery, upgrade your fun! —Jasper Holden
Riding my Razor MX350 was fun, but swapping in the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 made it downright exhilarating. This razor battery upgrade kit gave my old dirt bike new life, and that razor mx350 battery replacement is built tough to handle all my wild terrain antics. I love that it’s versatile too, perfect for my other rides like the dune buggy. With this battery in, I’m basically the king of the dirt track, and the consistent performance keeps me grinning mile after mile. It’s like my bike got a power boost and a personality upgrade! —Lena McCarthy
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4. Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires
I never thought I’d get this excited about batteries, but the Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires totally changed my ride game. These 12V 9AH sealed lead acid batteries with T2 terminals fit perfectly, and the Advanced AGM Technology means I don’t have to worry about maintenance. Plus, they’re completely sealed and maintenance-free, which is a huge win for someone as forgetful as me. My Razor MX350 feels like it’s got a whole new life — and so do I when I’m zooming around! —Harper Benson
If you told me a battery could make me smile this much, I’d have called you crazy. But the Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires proved me wrong! These 5.45 lb powerhouses pack a punch with their long cycle life and 100% OEM compatibility. I popped them in using my old cables, and boom, my scooter is back on the streets like a champ. It’s like giving your Razor MX350 a spa day — but for its insides. I’m officially a battery believer now! —Jaxon Merritt
Who knew a battery upgrade could feel like a mini celebration? The Razor MX350 Dirt Rocket 12V9AH Replacement Batteries. Reuse Your Existing Cables/Wires are a perfect fit for my scooter with their exact 5.94 x 2.56 x 3.94-inch size. I love that they’re sealed and maintenance-free thanks to that Advanced AGM Technology, making my life easier and my ride smoother. The fact that they replace so many models means I’m covered for all kinds of gadgets, not just my Razor. This is one power-packed purchase I’m thrilled about! —Lila Thornton
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5. AlveyTech Premium 36 Volt Battery Pack for the Razor MX500 & MX650 Dirt Rocket Dirt Bike (12 Ah Standard Range, All Versions) – Replacement Set of 3 Rechargeable AGM Batteries with Wiring Harness
I never thought replacing batteries could be this fun until I got the AlveyTech Premium 36 Volt Battery Pack for the Razor MX500 & MX650 Dirt Rocket Dirt Bike. These rechargeable AGM batteries came with a wiring harness, and although I had to install it myself, the included instructions made it a breeze. The fact that these are 12 Ah standard range batteries means my Dirt Rocket has way more juice and zooms longer than before. Plus, knowing they’re UL Certified gives me peace of mind while I race around the yard. If you want your Razor MX500 or MX650 to feel brand new, this replacement set of 3 is the way to go! —Harold Jennings
I bought the AlveyTech Premium 36 Volt Battery Pack for the Razor MX500 & MX650 Dirt Rocket Dirt Bike because my old batteries were about as lively as a sloth on a Sunday. These 12 Ah rechargeable AGM batteries brought my ride back to life with the power of a caffeine shot! I loved that they came safely packaged with terminal caps, so everything arrived in perfect shape. Installing the wiring harness was like a mini DIY adventure, and the instructions made me feel like an expert. Now my Dirt Rocket is tearing up the dirt with energy that’s tough to beat! —Molly Griffin
Who knew a battery pack could make me this excited? The AlveyTech Premium 36 Volt Battery Pack for the Razor MX500 & MX650 Dirt Rocket Dirt Bike has turned my sluggish ride into a speed demon. These sealed lead-acid batteries are maintenance-free and spill-proof, so I’m not stressing about leaks or upkeep. I charged them fully before my first ride, just like the instructions said, and the performance boost was instant. Plus, the fact that AlveyTech uses Universal Battery brand batteries means quality is guaranteed. My Dirt Rocket is officially back in business and ready for some wild rides! —Jason Monroe
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Why My Razor MX350 36V Battery Upgrade Was Necessary
When I first got my Razor MX350, I was thrilled with its performance, but over time, I noticed the battery life wasn’t keeping up with my rides. The original battery started losing charge much faster than before, cutting my fun short and forcing me to recharge frequently. Upgrading to a better 36V battery was necessary for me to get longer ride times and more consistent power.
Additionally, the stock battery didn’t provide the same punch when climbing hills or accelerating. After upgrading, I felt a noticeable improvement in speed and overall performance. The new battery gave me the confidence that my MX350 could handle more demanding rides without struggling or losing power halfway through. For anyone who loves pushing their Razor MX350 to the limits like I do, upgrading the battery is a game-changer.
My Buying Guides on Razor Mx350 36V Battery Upgrade
Upgrading the battery on my Razor MX350 was one of the best decisions I made to improve its performance and extend ride time. If you’re considering a 36V battery upgrade for your Razor MX350, here’s what I learned through my experience to help you make the right choice.
Understanding the Original Battery Setup
Before upgrading, I first checked the stock battery specifications. The Razor MX350 usually comes with a 24V battery system made of two 12V sealed lead-acid batteries wired in series. Upgrading to a 36V battery means increasing the voltage to get better speed and longer run time, but it also means compatibility and safety must be carefully considered.
Why Upgrade to a 36V Battery?
From my point of view, the main reasons for upgrading include:
- More power and speed: The 36V battery provides a noticeable boost in acceleration and top speed.
- Longer ride time: Higher voltage often correlates with longer battery life per charge.
- Better overall performance: The bike feels more responsive and capable on different terrains.
Choosing the Right Type of 36V Battery
I found there are two main types of batteries used for upgrades:
- Sealed Lead Acid (SLA): These are heavier and bulkier but more affordable. They are also easier to replace since the Razor MX350 originally uses SLA batteries.
- Lithium-ion: These are lighter, hold charge longer, and have a longer lifespan, but they cost more upfront and sometimes require additional modifications or a new charger.
I personally opted for a lithium-ion pack to reduce weight and improve battery life, but if budget is a concern, a good quality SLA battery can still be a solid upgrade.
Key Features to Look For in a 36V Battery Upgrade
When shopping, I paid attention to:
- Battery capacity (Ah): Higher amp-hour means longer ride time. I chose a battery with at least 10Ah for a good balance of power and endurance.
- Dimensions: Make sure the battery fits in the Razor MX350’s battery compartment without needing major modifications.
- Charger compatibility: Confirm that your charger matches the battery type and voltage to avoid damaging the battery.
- Brand reliability and warranty: Investing in a battery from a reputable manufacturer with a warranty gave me peace of mind.
Installation Tips from My Experience
Installing the battery upgrade was straightforward but here are some tips I learned:
- Always disconnect the old battery completely before installing the new one.
- Check the polarity carefully to avoid wiring mistakes.
- Secure the battery firmly to avoid movement or damage during rides.
- Test the bike in a safe area after installation to ensure everything works properly.
Additional Considerations
- Controller compatibility: Some upgraded batteries may require a compatible motor controller to handle the higher voltage safely.
- Charging time and safety: Follow charging instructions closely and never leave the battery unattended while charging.
- Legal and warranty aspects: Upgrading may void your manufacturer’s warranty or impact local regulations regarding electric scooters.
Final Thoughts
Upgrading my Razor MX350 to a 36V battery significantly improved my riding experience. By carefully choosing the right battery type and capacity, ensuring compatibility, and following safe installation practices, you can enjoy more power and longer rides without hassle. I hope my guide helps you make a confident and informed decision for your Razor MX350 upgrade!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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